Question: What country of citizenship Robert Conquest who died on 1927-4-12?
Paraphrase: Which country was Robert Conquest, who died on 12th April, 1927,  a citizen of?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q379628 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1927')) }